CVE-2024-42063

In the Linux kernel, the following vulnerability has been resolved: bpf: Mark bpf prog stack with kmsanunposionmemory in interpreter mode syzbot reported uninit memory usages during maplookup,deleteelem. ========== BUG: KMSAN: uninit-value in devmaplookupelem kernel/bpf/devmap.c:441 inline BUG:...

CVE-2024-42072

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix maygoto with negative offset. Zac's syzbot crafted a bpf prog that exposed two bugs in maygoto. The 1st bug is the way maygoto is patched. When offset is negative it should be patched differently. The 2nd bug is in the...

AZL-47186 CVE-2024-42075 affecting package kernel for versions less than 6.6.43.1-7

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix remap of arena. The bpf arena logic didn't account for mremap operation. Add a refcnt for multiple mmap events to prevent use-after-free in arenavmclose...

AZL-47065 CVE-2024-42075 affecting package kernel for versions less than 5.15.162.2-1

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix remap of arena. The bpf arena logic didn't account for mremap operation. Add a refcnt for multiple mmap events to prevent use-after-free in arenavmclose...

DEBIAN-CVE-2024-42068

In the Linux kernel, the following vulnerability has been resolved: bpf: Take return from setmemoryro into account with bpfproglockro setmemoryro can fail, leaving memory unprotected. Check its return and take it into account as an error...

DEBIAN-CVE-2024-42063

In the Linux kernel, the following vulnerability has been resolved: bpf: Mark bpf prog stack with kmsanunposionmemory in interpreter mode syzbot reported uninit memory usages during maplookup,deleteelem. ========== BUG: KMSAN: uninit-value in devmaplookupelem kernel/bpf/devmap.c:441 inline BUG:...

AZL-47216 CVE-2024-42068 affecting package kernel for versions less than 6.6.43.1-7

In the Linux kernel, the following vulnerability has been resolved: bpf: Take return from setmemoryro into account with bpfproglockro setmemoryro can fail, leaving memory unprotected. Check its return and take it into account as an error...

AZL-48656 CVE-2024-42063 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: bpf: Mark bpf prog stack with kmsanunposionmemory in interpreter mode syzbot reported uninit memory usages during maplookup,deleteelem. ========== BUG: KMSAN: uninit-value in devmaplookupelem kernel/bpf/devmap.c:441 inline BUG:...

UBUNTU-CVE-2024-42068

In the Linux kernel, the following vulnerability has been resolved: bpf: Take return from setmemoryro into account with bpfproglockro setmemoryro can fail, leaving memory unprotected. Check its return and take it into account as an error...

UBUNTU-CVE-2024-42075

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix remap of arena. The bpf arena logic didn't account for mremap operation. Add a refcnt for multiple mmap events to prevent use-after-free in arenavmclose...

CVE-2024-42075 bpf: Fix remap of arena.

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix remap of arena. The bpf arena logic didn't account for mremap operation. Add a refcnt for multiple mmap events to prevent use-after-free in arenavmclose...

CVE-2024-42075 bpf: Fix remap of arena.

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix remap of arena. The bpf arena logic didn't account for mremap operation. Add a refcnt for multiple mmap events to prevent use-after-free in arenavmclose...

CVE-2024-42075

The CVE-2024-42075 issue affects the Linux kernel’s BPF arena code, where the remap logic did not account for mremap, risking use-after-free in arena_vm_close. A reference-count mechanism was added to handle multiple mmap events, mitigating the flaw. Concrete details: affected component is the bp...

CVE-2024-42075 bpf: Fix remap of arena.

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix remap of arena. The bpf arena logic didn't account for mremap operation. Add a refcnt for multiple mmap events to prevent use-after-free in arenavmclose...

CVE-2024-42072 bpf: Fix may_goto with negative offset.

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix maygoto with negative offset. Zac's syzbot crafted a bpf prog that exposed two bugs in maygoto. The 1st bug is the way maygoto is patched. When offset is negative it should be patched differently. The 2nd bug is in the...

CVE-2024-42072

Summary of CVE-2024-42072 (Linux kernel, bpf may_goto with negative offset) The issue, reported through the Linux kernel, stems from two bugs exposed by a syzbot-facilitated bpf program: (1) the patching of may_goto when the offset is negative, which requires a different handling; and (2) a verif...

CVE-2024-42072 bpf: Fix may_goto with negative offset.

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix maygoto with negative offset. Zac's syzbot crafted a bpf prog that exposed two bugs in maygoto. The 1st bug is the way maygoto is patched. When offset is negative it should be patched differently. The 2nd bug is in the...

CVE-2024-42072 bpf: Fix may_goto with negative offset.

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix maygoto with negative offset. Zac's syzbot crafted a bpf prog that exposed two bugs in maygoto. The 1st bug is the way maygoto is patched. When offset is negative it should be patched differently. The 2nd bug is in the...

CVE-2024-42068 bpf: Take return from set_memory_ro() into account with bpf_prog_lock_ro()

In the Linux kernel, the following vulnerability has been resolved: bpf: Take return from setmemoryro into account with bpfproglockro setmemoryro can fail, leaving memory unprotected. Check its return and take it into account as an error...

CVE-2024-42067 bpf: Take return from set_memory_rox() into account with bpf_jit_binary_lock_ro()

In the Linux kernel, the following vulnerability has been resolved: bpf: Take return from setmemoryrox into account with bpfjitbinarylockro setmemoryrox can fail, leaving memory unprotected. Check return and bail out when bpfjitbinarylockro returns an error...